Catalyst and method for hydrogenation of 1,3-cyclobutanediketone compound
US10099978B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | May 18, 2017 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | May 18, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Catalyst for hydrogenation of 1,3-cyclobutanediketone compound is provided, which includes a support and VIIIB group transition metal loaded thereon. The support includes a first oxide powder with a surface wrapped by a second oxide. The first oxide includes silicon oxide, aluminum oxide, zirconium oxide, titanium oxide, zinc oxide, or a combination thereof. The second oxide has a composition of MxAl(1-x)O(3-x)/2, M is alkaline earth metal, and x is from 0.3 to 0.7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.